Out of these, Store of value was important early on as there was a Bitcoin-bubble. According to friends that paid more interest Bitcoins survived the inevitable crash due to the general currency insecurity that the GFC caused.

Its longterm use is as Medium of exchange because it can be traded more anonymously then most. Two parties can for a short term use Bitcoins in order to hide a transaction. So those interested in selling a service that potential customers wants to have hidden has a reason to provide the option of buying in bitcoins.

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